202120001012101 has 8 divisors (see below), whose sum is σ = 202197056624640. Its totient is φ = 202042946769648.

The previous prime is 202120001012087. The next prime is 202120001012107. The reversal of 202120001012101 is 101210100021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202120001012101 - 2²⁵ = 202119967457669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120001012107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371197635 + ... + 371741743.

It is an arithmetic number, because the mean of its divisors is an integer number (25274632078080).

Almost surely, 2^{202120001012101} is an apocalyptic number.

It is an amenable number.

202120001012101 is a deficient number, since it is larger than the sum of its proper divisors (77055612539).

202120001012101 is a wasteful number, since it uses less digits than its factorization.

202120001012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685043.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202120001012101 its reverse (101210100021202), we get a palindrome (303330101033303).

The spelling of 202120001012101 in words is "two hundred two trillion, one hundred twenty billion, one million, twelve thousand, one hundred one".